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Allied Telesis
AT-GS900/8PS
manual
Troubleshooting
Models:
8PS
AT-GS900/8PS
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Troubleshooting
Specs
Install
Pin Signal
Symbol Conventions
Wiring Implementation
Reviewing Safety Precautions
Safety
Power over Ethernet
Features
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Chapter 3: Troubleshooting
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Contents
AT-GS900/8PS Installation Guide
Copyright 2012 Allied Telesis, Inc
Electrical Safety and Emissions Standards
Translated Safety Statements
Contents
Page
Figures
Figures
Tables
Tables
Preface
Symbol Conventions
Contacting Allied Telesis
Preface
Overview
Chapter
Features
LEDs PoE Ports SFP Slots
Power over Ethernet
Front and Back Panels
Back Panel
MDI/MDI-X Mode
Twisted Pair Ports
Auto-Negotiation Mode Flow Control and Back Pressure
SFP Port
LEDs
Description
Total PoE delivered power is between 70 W
Describes the LEDs for the SFP slots SFP Slot LEDs
Power Over Ethernet
PoE Power Budget
PoE Guard Band
Overview
Wiring Implementation
Power Supply
Installation
Reviewing Safety Precautions
AT-GS900/8PS Switch Installation Guide
Selecting a Site for the Switch
Unpacking the Switch
AT-GS900/8PS Switch Items
Installing the Switch on a Desktop
Installing the Switch in an Equipment Rack
AT-GS900/8PS Switch Installation Guide
Installing the Switch on a Wall
AT-GS900/8PS Switch Installation Guide
Installation
Installing Optional SFP Transceiver
Installation
Cabling the Switch
Powering On the Switch
Power LED OFF
Troubleshooting
Twisted Pair Port LINK/ACT LED Off
SFP Port LINK/ACT LED Off
Slow Network Performance
LINK/ACT LED Intermittently Blinking
Powered Device Not Receiving Power
Resetting Blinking PoE Port LED
Troubleshooting
Technical Specifications
Physical Specifications
Environmental Specifications
Power Specifications
PoE Specifications
Safety and Electromagnetic Emissions Certifications
Connectors and Port Pinouts
Pin Signal
Pin Pair Signal
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